Most modern laptops lack an optical drive, yet CDs and DVDs are still used in many households, whether for playing old movies ...

DVD-R, DVD+R, DVD-RW, and DVD+RW ain’t got nothin’ on my man RAM. Oh yes, DVD-RAM, the format of mild obscurity which seems like it should have been friggin huge. Alas, it was but mildly useful.

On Technology Connections, we looked at this machine briefly when we explored the invention of magnetic recording technology.

Blu-ray vs. DVD DVD technology improved on previous formats, such as VHS and Laserdisc, in terms of the TV viewing and listening experience. Still, DVD isn't a high-definition format. Its ...

[Alec] at Technology Connections has a bit of a love/hate relationship with these displays. The Numitron is simply a seven-segment display built from light bulb filaments.